QUESTION 21 A possible type of water pollution Is O a) pathogenic organisms. ng

Question

QUESTION 21 A possible type of water pollution Is O a) pathogenic organisms. ng substances O c) plant nutrients. O d) toxic organics O e) inorganic chemicals. f) All of the above. QUESTION 22 A possible type of water pollution is O a) sediment. O b) radioactive substances. O c) heat. O d) oil. O e) All of the above. QUESTION 23 Dispersed sources of pollutants are 0 a) easier to control than are point source pollutants. b) similar to control as point source pollutants. D c) easier to control than are light sabre pollutants D d) harder to control than are point source pollutants.

Explanation / Answer

Question 21: f) All of the above

Question 22: e) All of the above

Question 23: d) harder to control than are point source pollutants

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